Home / 33,278.31-49,888.28-12,516.39

Finding the Fourth Proportional to 33,278.31, 49,888.28 and 12,516.39

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Solution

The fourth proportional to 33,278.31, 49,888.28 and 12,516.39 is: 18,763.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.31 : 49,888.28 = 12,516.39 : x
  2. Step 2: Convert to fraction form
    33,278.31/49,888.28 = 12,516.39/x
  3. Step 3: Cross multiply
    33,278.31x = 49,888.28 × 12,516.39
  4. Step 4: Simplify right side
    33,278.31x = 624,421,200.20
  5. Step 5: Solve for x
    x = 624,421,200.20/33,278.31
  6. Step 6: Final answer
    x = 18,763.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.